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Sphecodes castaneae Mitchell, 1960
Life   Insecta   Hymenoptera   Apoidea   Halictidae   Sphecodes
Subgenus: None


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    Identification Notes: Female - Very small species; Thorax, scutum, pits extremely sparse most of the central and posterior pitting with average pit spacing several pits apart; Thorax, mesepisternum, mound just below attachment of front wing is smooth, shiny, with scattered pits, rest of mesepisternum with much reduced surface sculpturing compared to other species; Thorax, propodeum, area where the rear and dorsal faces join noticeably rounded, unpitted and unmarked by microscopic lines; Head noticeably rounded
Identification
Reprinted with permission from: Mitchell, T.B. 1960 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 141.

FEMALE-Length 4 mm.; head and thorax black, abdomen ferruginous basally, becoming black apically; head only slightly broader than long; eyes very slightly convergent below; clypeus broadly convex; labrum very broadly subtriangular, apical angle obtuse, slightly reddened apically; mandibles with a distinct, inner, subapical tooth, reddish-testaeeous, becoming slightly darker at base; antennae black basally, basal segment of flagellum broader than long (antennae broken at this point) ; lateral ocelli very much nearer to each other than to eyes; face below ocelli shining, punctures deep and distinct, rather fine and well separated but not sparse, becoming somewhat more sparse below, but largely obscured by pale tomentum, supraclypeal area very finely and rather closely punctate, punctures of clypeus quite close and deep in general, fine basally, becoming slightly more coarse apically; vertex between eyes and ocelli shining, punctures fine and distinct but rather sparse, cheeks polished, with but a few obscure, minute punctures above; wings hyaline, with the usual three submarginal cells, veins and stigma brownish-testaceous; tegulae piceous; legs piceous basally, becoming somewhat more brownish on apical tarsal segments; scutum and scutellum shining, very finely and sparsely punctate, punctures widely separated even between notaulices and tegulae; pleura dull, rather finely rugose, but hypoepimeral area somewhat shining, with a few shallow, obscure and very fine punctures; dorsal area of propodeum rather broad, completely and rather finely rugoso-striate, lateral faces rather finely reticulate, becoming somewhat smoother along anterior margin, posterior face relatively smooth but dull; abdominal terga smooth and shining, basal tergum entirely impunctate, 2nd and 3rd very minutely and rather closely punctate across basal portion, punctures becoming sparse apically, the impressed apical margins rather broad, entirely impunctate, concolorous with remainder of each disc.


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Updated: 2024-04-29 15:21:14 gmt
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